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Finding the Fourth Proportional to 6,112.70, 9,166.35 and 2,413.70

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Solution

The fourth proportional to 6,112.70, 9,166.35 and 2,413.70 is: 3,619.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.70 : 9,166.35 = 2,413.70 : x
  2. Step 2: Convert to fraction form
    6,112.70/9,166.35 = 2,413.70/x
  3. Step 3: Cross multiply
    6,112.70x = 9,166.35 × 2,413.70
  4. Step 4: Simplify right side
    6,112.70x = 22,124,819.00
  5. Step 5: Solve for x
    x = 22,124,819.00/6,112.70
  6. Step 6: Final answer
    x = 3,619.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.